247475214 has 48 divisors (see below), whose sum is σ = 614615040. Its totient is φ = 70497360.

The previous prime is 247475213. The next prime is 247475219. The reversal of 247475214 is 412574742.

It is a super-2 number, since 2×247475214² = 122487963088691592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247475213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42499 + ... + 47969.

It is an arithmetic number, because the mean of its divisors is an integer number (12804480).

Almost surely, 2^247475214 is an apocalyptic number.

247475214 is an abundant number, since it is smaller than the sum of its proper divisors (367139826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247475214 is a wasteful number, since it uses less digits than its factorization.

247475214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845 (or 5842 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 247475214 is about 15731.3449520376. The cubic root of 247475214 is about 627.8326582269.

The spelling of 247475214 in words is "two hundred forty-seven million, four hundred seventy-five thousand, two hundred fourteen".